PS Unit 5 Electricity and Magnetism

Front

What is a stream of electrons moving through a copper wire called?

Back

Current electricity

Front

What happens when two north poles of a magnet are placed together?

Back

They repel

Front

What is magnetism created by an electric current called?

Back

Electromagnetism

Front

Where is the magnetic field strongest?

Back

At both of the poles

Front

What allows electricity to flow?

Back

A conductor

Front

What is the term for materials that do not allow electricity to flow?

Back

Insulators

Front

What is the device that converts electrical energy into mechanical energy?

Back

Motor

Front

What is the relationship between electricity and magnetism?

Back

They are interconnected; electricity can create magnetism and vice versa.

Front

What is the unit of electric current?

Back

Ampere (A)

Front

What is the effect of increasing the voltage in a circuit?

Back

It increases the current if resistance remains constant.